Verde Assoluto Marble is a prestigious and aesthetically appealing stone known for its luxurious deep green color interspersed with contrasting white or light-colored veining. This distinctive stone originates from the Aosta Valley in Italy and is technically classified as a serpentinite rock due to the ancient tectonic and metamorphic processes that have given it its unique composition and appearance. Below are detailed descriptions of its physical and mechanical properties, chemical and mineral compositions, and information regarding usage, maintenance, and surface finishes.

Physical and Mechanical Properties

• Water Absorption: Approximately 0.60%
• Density: 2590 kg/m³
• Flexural Strength: Typically around 15-20 MPa (though can vary based on specific extraction and finishing process)
• Compressive Strength: 190 MPa
• Hardness: Mohs scale approximately 3-4, typical of serpentinite-based marbles
• Porosity: Low to medium, depending on the specific finish and treatment
• Slip Resistance: Varies based on finish, but generally moderate; polished finishes may be less slip-resistant compared to honed finishes

Chemical and Mineral Composition

• Serpentine Group Minerals: Dominant component, often over 90% by weight
• Calcite: Present in some variations, adds to veining patterns
• Magnetite and Chromite: Can be present in minor quantities, contributing to color depth
• Other Silicates: Present in trace amounts
• Chemical Composition: Typically high in magnesium silicon compounds due to its serpentinite nature

Usage

• Interior Applications: Ideal for luxurious interior spaces such as countertops, flooring, wall cladding, and fireplace surrounds.
• Exterior Uses: Applicable in some exterior settings such as facades, given proper sealing and finishing to mitigate weather effects.
• Decorative Features: Suitable for sculptures, vases, and bespoke decorative pieces due to its unique appearance.

Maintenance

• Cleaning: Use pH-balanced stone cleaners to avoid etching or dullness.
• Sealing: Regular sealing recommended to maintain the low porosity and enhance durability, especially in high traffic or wet areas.
• Polishing: Periodic professional polishing may be needed to maintain luster on polished surfaces.

Cutting Sizes

• Standard Slab Sizes: Typically available in slabs of 2-3 cm thickness; larger custom sizes may be available upon request.
• Tile Sizes: Various standard sizes, including 30x30 cm, 60x60 cm, and 60x120 cm; custom sizes may be available.

Available Common Surface Finish Options

• Polished: Offers a high-gloss finish that enhances the marble's color and veining. Best suited for low-traffic areas due to potential slip risk.
• Honed: Provides a matte finish that is less reflective and more slip-resistant, suitable for flooring.
• Brushed and Leathered: Available for a more textured surface, adding visual interest and slip resistance.
• Antiqued: A distressed finish that offers a rustic, time-worn appearance.

By appreciating Verde Assoluto Marble's beautiful aesthetic alongside its technical considerations, architects and designers can effectively incorporate this exceptional material into their projects, ensuring both beauty and functionality.